This set of 100 different design cards are used with the Montessori Blue Constructive Triangles. These designs range from simple shapes using only two triangles, to complex designs using all twelve in the set.
These are the perfect extension for your Montessori classroom, or for a child at home.
There are 4 design cards per page, and 25 pages.
You may also like my printable version of the Constructive Triangles: